Service manual
I
i
,
-
PC- l600
• Disp
la
y unit:
FEM-LCD (LF·7204E)
Graphic display : 1
56
x 32 dots,
16
symbols
Character display :
26
digits x 4 lines
( U )
U76
..
I I 7
...
6.
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.!!
..
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0.'
.'"
BUSY
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fT
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(
I>
....
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)
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/
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0.
58
0
.06
~
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..
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...
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4 • .5 )
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-
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"-
.
..
·
0'
~
•
-
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.-
M.
-
.
RUNPRO
RES
ERVE
OEF
I'.
!BATT!
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Do
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0;
•
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..
m.
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II
IS
:
18
" "
90.43
Notl 1
unit
: mm
• Calculati
on
capacity:
10
digits (mantissa) + 2 digits (index)
• Calculati
on
method:
Formula based (
wi
th
priority discrimination feature)
• Programming language:
BASIC
(PC
-
l500
upper grade compatible)
• Internal system configuration:
Main
CPU:
SC7B52 (CMOS, Z·
80
compatible, 3.58MHz basic clock)
LH
5803
(CMOS,
B-bit microprocessor, 2.6MHz basic
c
lo
ck)
Sub
CPU
:
LU
57813P
(CMOS,
4·
bit
microprocessor, 307.2KHz
basic clock)
ROM
:
96KS
(SASIC interpreter) -
(aaKS
for
the
l ·80 and
l6KS
for the
LH
·
5803
)
RAM
:
16KS
(user area:
11
,
834
byt
es), incremental up
to
BOKB
.
•
Bas
ic calculati
on
functions:
Basic calculation:
Four rules
of
math.
Scientific calculation:
Trigonometric function, inverse trigonometric function,
logarithm, exponential, angular conversion, power raising,
square root, integral, absolute value, signum, circle
rat
io.
• Edit functions:
Horizontal cursor movement control
(
II>
,
""'
, CTA L +
character key)
Insertion !INS), deletion
(DE
L, CTAL + character key)
Line up and down
(+,
t)
Fig. 1
- 2 -
R.,
.......
II
...
/
fl.ll-
11
.2$6
+
8]
• Interrupts:
Timer i
nterrupt
, RS-232C interface
interrupt
, analog
i
nput
inter
rupt
, f
unction
key interrupt
• I
nt
erfaces:
RS
·232C interface, optical SIO interface, analog signal
i
nput
interface
• Other functions:
Weak battery detection, timer function, automatic
power·on (by the internal t
im
er
),
power-on from the
telephone line (to the
AS
-232C interface
via
the modem
phone), a
ut
omatic power-off
• Memory protection:
Battery backup (program, data and reserve memory con-
tents
are saved upon power-off, and the backup battery
of
the
AC
adaptor in use)
• Operating temperature:
0° to
40
°C
• Power supply
6V
..
.
(DC
):
SUM
-3 x 4 (AA) (x4)
AC
adapt
or
optio
n (EA-160) (accesso
ry
of
the
CE
-
1600P
opt
ional
pr
inter)
• Battery
po
wer
retention
time
(AA)
:
About
25
hour
s wi
th
SUM
·3 in use;
10
minutes
of
operation or program execution and
50
minutes of
data
on
display per
hou
r under the operating temperature
of
20
°C.
• It may vary depending on the kind of bat tery and
use
,
• Power
consumption
:
O,4BW
• Physical dimensions:
195mm
(W)
x
86m
m (D) x 25.5mm (H)
• Weight:
375g (including batteries)